go的安装

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方式一：yum安装（最简单）

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rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
yum install golang

方式二：源码安装：

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wgethttp://go.googlecode.com/files/go1.2.linux-amd64.tar.gz

tar-xvfgo1.2.linux-amd64.tar.gz

sudocp-rgo/usr/local/go

vi/etc/profile

exportGOROOT=/usr/local/go

exportPATH=$PATH:$GOROOT/bin

source/etc/profile

方式三：类似源码安装

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1.  $ sudo yum install mercurial
2.  $ hg clone -u release https://go.googlecode.com/hg/ golang
3.  To build the Go distribution, run
$ cd go/src
$ ./all.bash
4. If all goes well, it will finish by printing output like:
ALL TESTS PASSED---Installed Go for linux/amd64 in /home/you/go.Installed commands in /home/you/go/bin.*** You need to add /home/you/go/bin to your $PATH. *** 

安装完毕之后看看状态：

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$goversion

goversiongo1.2linux/amd64

测试文件

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cathello.go

packagemain

import"fmt"

funcmain()

{    

    fmt.Printf("what's
 up, sudops.com\n")

}

# go env 查看详细信息

GOARCH="686"
GOBIN="/usr/lib/golang/bin"
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/root/go"
GORACE=""
GOROOT="/usr/lib/golang"
GOTOOLDIR="/usr/lib/golang/pkg/tool/linux_amd64"
GO15VENDOREXPERIMENT=""
CC="gcc"
GOGCCFLAGS="-fPIC -fmessage-length=0"
CXX="g++"
CGO_ENABLED="0"

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